676774440 has 112 divisors (see below), whose sum is σ = 2283167700. Its totient is φ = 180465408.

The previous prime is 676774411. The next prime is 676774453. The reversal of 676774440 is 44477676.

It can be written as a sum of positive squares in 2 ways, for example, as 674648676 + 2125764 = 25974^2 + 1458^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 17556 + ... + 40764.

Almost surely, 2^676774440 is an apocalyptic number.

676774440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676774440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141583850).

676774440 is an abundant number, since it is smaller than the sum of its proper divisors (1606393260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676774440 is a wasteful number, since it uses less digits than its factorization.

676774440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23238 (or 23219 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 45.

The square root of 676774440 is about 26014.8888139081. Note that the first 4 decimals coincide. The cubic root of 676774440 is about 877.9733146726.

The spelling of 676774440 in words is "six hundred seventy-six million, seven hundred seventy-four thousand, four hundred forty".